Hi,
I've posted this in a local northwest4x4 forum as well, but thought I'd see if you guys could possibly help me out too.....
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Hi,
I'm hoping that someone here can help me with diagnosing the problem.
So it's a Series 1 1996 LandRover Discovery V8 3.9ltr Petrol Only, Automatic (with cruise control) .
Its run great for the last 3 years I've owned it.
In the last year it's had:
New Plugs
New Coil
New HT Leads
New Dizzy Cap
The week before last it started to cut out on me, to start with only when slowing down and the revs dropped, then more frequently when it was under load too.
I thought it might be an electrical issue, so changed the coil pack.
I used it 2 days last week driving too and from work about 25 miles each way. No problems at all.
Came to use it the other night to drive into Manchester. It started fine and ran fine for about 15miles. On the M56 the engine started to run rough and when the traffic slowed, the engine cut out. I dropped it into neutral and coasted to the hard shoulder. Got under the bonnet, checked all the leads, all seemed ok, got back in and it started. It ran for about another mile and then died again. Did the same, opened the bonnet, poked some bits, got back in and it ran for about 1/2 mile then died. After that it would intermittently run for shorter and shorted periods, getting rough first then dieing.
In the end it just stopped and wouldn't start.
So I called the AA out. I sat with the car off for about 20mins, and it started and ran again for 2-3 minutes, at first nice and smooth, and then getting rougher and eventually dieing.
It sat for an hour then waiting on the AA and when he showed up it once again ran perfectly for about 5 minutes this time, then just like before, got rough then died. AA man couldnt figure it out. Checked for air lock in the tank, good spark from the coil etc etc.
So he left me and called for a recovery truck. While I was waiting, just to keep warm, I'd run it until it died then leave it 10-15mins and then repeat.
By the time I got home on the back of the truck it started first time, like usual, ran nice and smooth while we did the paperwork, I drove it onto the drive, left it running 2 more minutes and then it died again.
When it dies, you can give it some throttle and it makes no difference, it just judders, like its not running on all cylinders, then dies.
The AA man did have a quick listen and said he could hear the fuel pump running ok, but this was before it died, obviously.
I suppose the first question is does this sound more like an ignition issue or a fuelling issue? The main thing is that the longer you let it sit for, the longer it will then run for afterwards before dieing.
So, does anyone have any ideas?
Cheers
Jack
UPDATE FROM YESTERDAY:
OK, so yesterday I took the carpets up in the back, had a look at the top of the sender.
There is some corosion on there but it's not THAT bad. Certainly no holes or cracks and I put some spit on the pipes to see if there was anything coming in or going out. Nothing. The pump is running fine.
So after about 20mins of running on the drive with the bonnet open it was running fine. the revs started to rise a bit at idle, but that was about it.
So I shut the bonnet. Within about 2 minutes it started running rough and then died again.
Left the bonnet shut and it wouldn't start. Turned over but woudn't fire at all.
Left it another 5 minutes with the bonnet open and it started first time and ran for a few minutes again and then died.
There is DEFINITELY something heat related under the bonnet.
Can anyone recommend some (simple) things for me to try? I'm not a mechanic
Thanks
Jack
I've posted this in a local northwest4x4 forum as well, but thought I'd see if you guys could possibly help me out too.....
------------------------------------
Hi,
I'm hoping that someone here can help me with diagnosing the problem.
So it's a Series 1 1996 LandRover Discovery V8 3.9ltr Petrol Only, Automatic (with cruise control) .
Its run great for the last 3 years I've owned it.
In the last year it's had:
New Plugs
New Coil
New HT Leads
New Dizzy Cap
The week before last it started to cut out on me, to start with only when slowing down and the revs dropped, then more frequently when it was under load too.
I thought it might be an electrical issue, so changed the coil pack.
I used it 2 days last week driving too and from work about 25 miles each way. No problems at all.
Came to use it the other night to drive into Manchester. It started fine and ran fine for about 15miles. On the M56 the engine started to run rough and when the traffic slowed, the engine cut out. I dropped it into neutral and coasted to the hard shoulder. Got under the bonnet, checked all the leads, all seemed ok, got back in and it started. It ran for about another mile and then died again. Did the same, opened the bonnet, poked some bits, got back in and it ran for about 1/2 mile then died. After that it would intermittently run for shorter and shorted periods, getting rough first then dieing.
In the end it just stopped and wouldn't start.
So I called the AA out. I sat with the car off for about 20mins, and it started and ran again for 2-3 minutes, at first nice and smooth, and then getting rougher and eventually dieing.
It sat for an hour then waiting on the AA and when he showed up it once again ran perfectly for about 5 minutes this time, then just like before, got rough then died. AA man couldnt figure it out. Checked for air lock in the tank, good spark from the coil etc etc.
So he left me and called for a recovery truck. While I was waiting, just to keep warm, I'd run it until it died then leave it 10-15mins and then repeat.
By the time I got home on the back of the truck it started first time, like usual, ran nice and smooth while we did the paperwork, I drove it onto the drive, left it running 2 more minutes and then it died again.
When it dies, you can give it some throttle and it makes no difference, it just judders, like its not running on all cylinders, then dies.
The AA man did have a quick listen and said he could hear the fuel pump running ok, but this was before it died, obviously.
I suppose the first question is does this sound more like an ignition issue or a fuelling issue? The main thing is that the longer you let it sit for, the longer it will then run for afterwards before dieing.
So, does anyone have any ideas?
Cheers
Jack
UPDATE FROM YESTERDAY:
OK, so yesterday I took the carpets up in the back, had a look at the top of the sender.
There is some corosion on there but it's not THAT bad. Certainly no holes or cracks and I put some spit on the pipes to see if there was anything coming in or going out. Nothing. The pump is running fine.
So after about 20mins of running on the drive with the bonnet open it was running fine. the revs started to rise a bit at idle, but that was about it.
So I shut the bonnet. Within about 2 minutes it started running rough and then died again.
Left the bonnet shut and it wouldn't start. Turned over but woudn't fire at all.
Left it another 5 minutes with the bonnet open and it started first time and ran for a few minutes again and then died.
There is DEFINITELY something heat related under the bonnet.
Can anyone recommend some (simple) things for me to try? I'm not a mechanic
Thanks
Jack